test/built-ins/Promise/prototype/catch/S25.4.5.1_A3.1_T1.js


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// Copyright 2014 Cubane Canada, Inc.  All rights reserved.
// See LICENSE for details.

/*---
info: |
    catch(arg) is equivalent to then(undefined, arg)
es6id: S25.4.5.1_A3.1_T1
author: Sam Mikes
description: catch is implemented in terms of then
flags: [async]
---*/

var obj = {};

var p = Promise.resolve(obj);

p.catch(function() {
  $ERROR("Should not be called - promise is fulfilled");
}).then(function(arg) {
  if (arg !== obj) {
    $ERROR("Expected promise to be fulfilled with obj, got " + arg);
  }
}).then($DONE, $DONE);